This document contains a math puzzle worksheet with 14 problems testing properties of operations like commutativity, associativity, multiplication by one, and addition of zero. The problems involve simplifying expressions and identifying the property being illustrated. Students are to write the letter of the answer in the corresponding box.

1. Name____________________________________________________________Date___________
Puzzle Time
Why Was A Book In The Frying Pan On The Stove?
Write the letter of each answer in the box containing the exercise number.
Tell which property is illustrated by the
statement.
1. 4 · x = x · 4
2. 3 + (11 + p) = (3 + 11) + p
3. 6 · ( r · 9) = ( 6 · r) · 9
4. c + 13.4 = 13.4 + c
5. ( y + 7) + 0 = y + 7
6. b · 1 = b
Simplify the expression.
7. 5 + ( 4 + x)
8. 7(3x)
9. ( 0 + x) + 9
10. 11 · x · 3
11. ( 6x + 5.1) + 4.2
12. (5x) · 12
13. (17.3 · x) · 1
14. x · 0 · 16
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1.3
Answers for Exercises 1–6
B. Addition Property of Zero
O. Commutative Property of Addition
A. Multiplication Property of One
K. Associative Property of Addition
T. Commutative Property of Multiplication
O. Associative Property of Multiplication
Answers for Exercises 7–14
C. 60x O. x + 9
K. 21x I. 33x
S. 9 + x A. 0
O. 6x + 9.3 W. 17.3x
10 1 13 6 7 14 12 3 11 8 5 4 9 2

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Resources by Chapter All rights reserved.
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